[wrest] vt [ME wrasten, wresten, fr. OE wraestan; akin to ON reista to bend and prob. to OE wrigian to turn--more at wry] (bef. 12c) 1: to pull, force, or move by violent wringing or twisting movements
2: to gain with difficulty by or as if by force, violence, or determined labor
[2]wrest n (14c) 1: the action of wresting: wrench
2. archaic: a key or wrench used for turning pins in a stringed instrument (as a harp or piano)